130747960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{466957}}^1$

素因数の和:466975

約数の個数: 32

約数和(自身を含む): 336209760

約数和(自身を除く): 205461800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 466957, 933914, 1867828, 2334785, 3268699, 3735656, 4669570, 6537398, 9339140, 13074796, 16343495, 18678280, 26149592, 32686990, 65373980, 130747960]

約数ペア:

[(1, 130747960), (2, 65373980), (4, 32686990), (5, 26149592), (7, 18678280), (8, 16343495), (10, 13074796), (14, 9339140), (20, 6537398), (28, 4669570), (35, 3735656), (40, 3268699), (56, 2334785), (70, 1867828), (140, 933914), (280, 466957)]